Part I. Stop Lying to Yourself

In this part of the book, we’ll look at why you need data to succeed. We’ll tackle some basic analytical concepts like qualitative and quantitative data, vanity metrics, correlation, cohorts, segmentation, and leading indicators. We’ll consider the perils of being too data-driven. And we’ll even think a bit about what you should be doing with your life.

It depends on what the meaning of the word “is” is.

William Jefferson Clinton

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